18542992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1511}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20829488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1511, 1534, 3022, 3068, 6044, 6136, 12088, 12272, 19643, 24176, 39286, 78572, 89149, 157144, 178298, 314288, 356596, 713192, 1158937, 1426384, 2317874, 4635748, 9271496, 18542992]

約数ペア:

[(1, 18542992), (2, 9271496), (4, 4635748), (8, 2317874), (13, 1426384), (16, 1158937), (26, 713192), (52, 356596), (59, 314288), (104, 178298), (118, 157144), (208, 89149), (236, 78572), (472, 39286), (767, 24176), (944, 19643), (1511, 12272), (1534, 12088), (3022, 6136), (3068, 6044)]